summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/radeon/ni.c
diff options
context:
space:
mode:
authorAlex Deucher <alexander.deucher@amd.com>2013-01-24 11:37:19 -0500
committerAlex Deucher <alexander.deucher@amd.com>2013-01-31 16:24:57 -0500
commit123bc1832c33218dfa677a88c2c54bc1a48a9e72 (patch)
tree5ad2423f6e4752d7db0120b8ecb4af6a83a00df2 /drivers/gpu/drm/radeon/ni.c
parentf770d78ac159a96071e3c4e4ab97c262e79506d3 (diff)
downloadlinux-123bc1832c33218dfa677a88c2c54bc1a48a9e72.tar.bz2
drm/radeon: use the reset mask to determine if rings are hung
fetch the reset mask and check if the relevant ring flags are set to determine whether the ring is hung or not. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/ni.c')
-rw-r--r--drivers/gpu/drm/radeon/ni.c36
1 files changed, 31 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 4784c4e5056f..b6e80550ed90 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1534,23 +1534,49 @@ int cayman_asic_reset(struct radeon_device *rdev)
}
/**
+ * cayman_gfx_is_lockup - Check if the GFX engine is locked up
+ *
+ * @rdev: radeon_device pointer
+ * @ring: radeon_ring structure holding ring information
+ *
+ * Check if the GFX engine is locked up.
+ * Returns true if the engine appears to be locked up, false if not.
+ */
+bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
+{
+ u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
+
+ if (!(reset_mask & (RADEON_RESET_GFX |
+ RADEON_RESET_COMPUTE |
+ RADEON_RESET_CP))) {
+ radeon_ring_lockup_update(ring);
+ return false;
+ }
+ /* force CP activities */
+ radeon_ring_force_activity(rdev, ring);
+ return radeon_ring_test_lockup(rdev, ring);
+}
+
+/**
* cayman_dma_is_lockup - Check if the DMA engine is locked up
*
* @rdev: radeon_device pointer
* @ring: radeon_ring structure holding ring information
*
- * Check if the async DMA engine is locked up (cayman-SI).
+ * Check if the async DMA engine is locked up.
* Returns true if the engine appears to be locked up, false if not.
*/
bool cayman_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
{
- u32 dma_status_reg;
+ u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
+ u32 mask;
if (ring->idx == R600_RING_TYPE_DMA_INDEX)
- dma_status_reg = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
+ mask = RADEON_RESET_DMA;
else
- dma_status_reg = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
- if (dma_status_reg & DMA_IDLE) {
+ mask = RADEON_RESET_DMA1;
+
+ if (!(reset_mask & mask)) {
radeon_ring_lockup_update(ring);
return false;
}